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BOSTON MARATHON 2023

Stephanie Loleng

Bib: 31939•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:33/mi
32:48
↑ 97↓ 3451.5%
10K· 6.21 mi
10:42/mi
1:06:04
↑ 79↓ 1380.4%
15K· 9.32 mi
10:26/mi
1:38:30
↑ 67↓ 78
20K· 12.43 mi
10:35/mi
2:11:22
↑ 106↓ 860.1%
Half· 13.11 mi
10:14/mi
2:18:21
↑ 19↓ 370.5%
25K· 15.53 mi
10:26/mi
2:43:38
↑ 66↓ 880.2%
30K· 18.64 mi
10:38/mi
3:16:40
↑ 181↓ 1480.2%
20M
10:34/mi
3:31:01
↑ 64↓ 500.2%
21M
11:26/mi
3:42:27
↑ 106↓ 241.6%
35K· 21.75 mi
9:43/mi
3:49:43
↑ 17↓ 861.7%
23M
11:48/mi
4:04:29
↑ 23↓ 630.6%
24M
9:43/mi
4:14:12
↓ 821.3%
40K· 24.85 mi
10:35/mi
4:23:15
↓ 200.3%
25.2M
11:19/mi
4:27:09
↑ 13↓ 160.2%
Finish· 26.22 mi
10:16/mi
4:37:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:18:21
Pace10:33 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:19:16
Pace10:37 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:5132:4810:3332:48
10:33
-
10K
6.21 mi12:30:071:06:0410:3833:16
10:42
+0:09
15K
9.32 mi13:02:331:38:3010:3432:26
10:26
-0:16
20K
12.43 mi13:35:252:11:2210:3432:52
10:35
+0:09
Half
13.11 mi13:42:242:18:2110:336:59
10:14
-0:21
25K
15.53 mi14:07:412:43:3810:3225:17
10:26
+0:12
30K
18.64 mi14:40:433:16:4010:3333:02
10:38
+0:12
20M
20.00 mi14:55:043:31:0110:3314:21
10:34
-0:04
21M
21.00 mi15:06:303:42:2710:3611:26
11:26
+0:52
35K
21.75 mi15:13:463:49:4310:347:16
9:43
-1:43
23M
23.00 mi15:28:324:04:2910:3814:46
11:48
+2:05
24M
24.00 mi15:38:154:14:1210:369:43
9:43
-2:05
40K
24.85 mi15:47:184:23:1510:359:03
10:35
+0:52
25.2M
25.20 mi15:51:124:27:0910:363:54
11:19
+0:44
Finish
26.22 mi16:01:404:37:3710:3610:28
10:16
-1:03

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:43 /mi

Average Pace

10:36 /mi

Slowest Pace

11:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

34:26

12% of race

Time at Steady Pace

3:33:05

77% of race

Time at Slower Pace

30:06

11% of race

Average Pace: 10:35 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:56:5132:4810:3332:48
10:33
#24844
10K
6.21 mi12:30:071:06:0410:3833:16
10:42
#24979
15K
9.32 mi13:02:331:38:3010:3432:26
10:26
#24757
20K
12.43 mi13:35:252:11:2210:3432:52
10:35
#24533
Half
13.11 mi13:42:242:18:2110:336:59
10:14
#24494
25K
15.53 mi14:07:412:43:3810:3225:17
10:26
#24243
30K
18.64 mi14:40:433:16:4010:3333:02
10:38
#23903
20M
20.00 mi14:55:043:31:0110:3314:21
10:34
#23761
21M
21.00 mi15:06:303:42:2710:3611:26
11:26
#23648
35K
21.75 mi15:13:463:49:4310:347:16
9:43
#23566
23M
23.00 mi15:28:324:04:2910:3814:46
11:48
#23592
24M
24.00 mi15:38:154:14:1210:369:43
9:43
#23487
40K
24.85 mi15:47:184:23:1510:359:03
10:35
#23400
25.2M
25.20 mi15:51:124:27:0910:363:54
11:19
#23373
Finish
26.22 mi16:01:404:37:3710:3610:28
10:16
#23341
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi24844103531035324350(Top 91%)10086(Top 88%)10086(Top 836%)
10K6.21 mi3.10 mi24979-13510421-6810421-6825034(Top 94%)10460(Top 92%)10460(Top 867%)
15K9.32 mi3.11 mi24757+22210313+10810313+10824350(Top 91%)10086(Top 88%)10086(Top 836%)
20K12.43 mi3.11 mi24533+22410195+11810195+11823977(Top 90%)9892(Top 87%)9892(Top 820%)
Half13.11 mi0.68 mi24494+3910178+1710178+1723742(Top 89%)9763(Top 85%)9763(Top 809%)
25K15.53 mi2.42 mi24243+25110042+13610042+13623060(Top 87%)9424(Top 83%)9424(Top 781%)
30K18.64 mi3.11 mi23903+3409863+1799863+17922483(Top 84%)9175(Top 80%)9175(Top 760%)
20M20.00 mi1.36 mi23761+1429795+689795+6821885(Top 82%)8918(Top 78%)8918(Top 739%)
21M21.00 mi1.00 mi23648+1139743+529743+5221777(Top 82%)8876(Top 78%)8876(Top 735%)
35K21.75 mi0.75 mi23566+829703+409703+4020536(Top 77%)8247(Top 72%)8247(Top 683%)
23M23.00 mi1.25 mi23592-269722-199722-1923702(Top 89%)9956(Top 87%)9956(Top 825%)
24M24.00 mi1.00 mi23487+1059679+439679+4319981(Top 75%)7971(Top 70%)7971(Top 660%)
40K24.85 mi0.85 mi23400+879649+309649+3021440(Top 81%)8869(Top 78%)8869(Top 735%)
25.2M25.20 mi0.35 mi23373+279642+79642+721183(Top 80%)8705(Top 76%)8705(Top 721%)
Finish26.22 mi1.02 mi23341+329631+119631+1122483(Top 84%)9378(Top 82%)9378(Top 777%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24350

Females

10086

F50-54

10086

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

25034

Females

10460

F50-54

10460

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24350

Females

10086

F50-54

10086

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

23977

Females

9892

F50-54

9892

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23742

Females

9763

F50-54

9763

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23060

Females

9424

F50-54

9424

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22483

Females

9175

F50-54

9175

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21885

Females

8918

F50-54

8918

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21777

Females

8876

F50-54

8876

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20536

Females

8247

F50-54

8247

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23702

Females

9956

F50-54

9956

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

19981

Females

7971

F50-54

7971

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21440

Females

8869

F50-54

8869

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21183

Females

8705

F50-54

8705

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

22483

Females

9378

F50-54

9378

Passing Analysis

Category:
Athletes Passed
1917
Passed By
414
Net Change
+1503
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24844
5K → 10K124259-135#24844#24979
10K → 15K25230+222#24979#24757
15K → 20K23814+224#24757#24533
20K → Half467+39#24533#24494
Half → 25K2609+251#24494#24243
25K → 30K3488+340#24243#23903
30K → 20M1431+142#23903#23761
20M → 21M1163+113#23761#23648
21M → 35K820+82#23648#23566
35K → 23M3157-26#23566#23592
23M → 24M1083+105#23592#23487
24M → 40K881+87#23487#23400
40K → 25.2M292+27#23400#23373
25.2M → Finish5220+32#23373#23341
TOTALS1917414+1503
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing